Dudleya
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ANOMALA  (Davidson) Moran, 1943

Synonyms :

Stylophyllum anomalum  Davidson (1928)

Stylophyllum coronatum  Fröderström (1936)

Stylophyllum insulare  Fröderström (1936)

 

Subgenus Stylophyllum

 

Distribution : Mexico (Baja Califomia: Coronados and Todos Santos Islands; Punta Banda); rock waIls.

 

 

Description (according to IHSP, 2003) :

 

Stems elongate, often decumbent, to 50 x 0.5 - 1 cm.

 

Rosettes 2 - 10 cm in diameter, with 20 - 30 leaves, densely cushion-forming, cushions sometimes with far > 100 rosettes and 30 - 40 (-60) cm in diameter.

 

Leaves densely arranged to somewhat distant from each other, oblanceolate, acute, upper face somewhat convex, lower face convex, 2 - 5 x 0.4 - 0.6 cm, green, slightly viscid (at least when young).

 

Inflorescence : Scape 5 - 25 cm, inflorescence compact, rounded, ± 3 - 4 cm in diameter, with ± 3 not or 1x branched scorpioid branches, these 1 - 3 cm, with 3 - 5 flowers, pedicels 2 - 5 mm.

 

Flowers : Calyx 3 - 4 mm, sepals triangular to triangular-ovate, acute, 2 - 2.5 mm, petals narrowly ovate, somewhat spreading from the base, tips recurved, acute, 8 - 10 x 3.5 - 4 mm, white, keel somewhat striate with red, tube 0 - 1 mm, anthers orange or red. 

 

Flowering time : May to June.

 

Cytology : n = 51

 

Apart from D. viscida, this is the only species with viscid leaves. Within subgenus Stylophyllum, D. anomala is, with the exception of D. traskiae, the only species with more erect petals, and the corolla tube is shorter than usual (Moran 1943a).


At Huntington Botanical Garden, CA, USA :





At Santa Barbara Botanical Garden, CA, USA :





Photos Michael Wisnev




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